Powertrain
generic / SAE
P02D3
Cylinder 4 Fuel Injector A Offset Learning At Max Limit
The per-cylinder injector offset on cylinder 4 has reached its maximum value — the injector is delivering significantly less fuel than the calibrated reference, and the controller cannot trim it any further.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / D3
Possible causes
- Injector under-delivering high
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–4 h
- Component: fuel injector
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012